S. giganteus
# S. giganteus

S. giganteus may refer to:

* Shantungosaurus giganteus, a flat headed hadrosaurid dinosaur species
* Spalax giganteus, the giant mole rat or Russian mole rat, a rodent species found in Kazakhstan
* Spirobranchus giganteus, the Christmas tree worm, a small tube-building polychaete worm species
